BAKU -- Prominent Azerbaijani writer Akram Aylisli has been briefly detained by police at Baku International Airport and prevented from travelling abroad to an Italian literary festival.

The Azerbaijani Interior Ministry said Aylisli, 78, was detained in connection with "an incident" at the airport before being released. The ministry did not disclose further details.

Aylisli's son, Nacaf Naibov said border guards told his father that he is banned from leaving the country.

Aylisli has been under government pressure since the 2012 publication of his novel Stone Dreams that focused on clashes between Azerbaijanis and Armenians in Baku and Nagorno-Karabakh, the mostly Armenian-populated region that broke away from Azerbaijan in the early 1990s.

After the publication of the novel, the writer was officially stripped of his People's Writer title and his presidentially-awarded pension. He was also expelled from the Union of Azerbaijani Writers.

In 2013, a pro-government party offered a $12,700 reward to anyone who cuts off one of Aylisli's ears.

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